Sound travels about 4 times faster in water than in air.
408
One third of the electricity produced on earth is used to power electric light bulbs!
75
At 15 years old, Jack Andraka invented a method of diagnosing pancreatic cancer, thus helping to save the lives of millions of people around the world. It is 168 times faster, 26,000 times cheaper, 400 times more sensitive, and has a 99% success rate.
15
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
The smell of freshly cut grass is actually a plant distress call.
31
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155